Biotechnology: Principles and Processes Class 12 MCQs Questions with Answers

1. Hybridoma technology has been successfully used in

2. Golden rice is a promising transgenic crop. When released for cultivation, it will help in :

3. Restriction’ in Restriction enzyme refers to :

4. Important objective of biotechnology in agriculture section is

5. Viral genome incroporatcd into host DNA is called:

6. Plasmid is a:

7. The DNA polymerase enzyme used in PCR is obtained from

8. Significance of ‘heat shock’ method in bacterial transformation is to facilitate:

9. The DNA fragments produced by the use of restriction endonucleases can be separated by

10. In an experiment, recombinant DNA bearing ampicillin-resistance gene is transferred into E.coli cells. The host cells are then cultured on a medium containing ampicillin. The result will be

11. Biolistics (gene gun) is suitable for

12. Which of the following steps are catalysed by Taq polymerase in a PCR reaction?

13. Micro-organisms can be grown in the bioreactors by

14. Name the drug used in cancer treatment produced by using biotechnology

15. The DNA polymerase enzyme used in PCR is obtained from

16. Two microbes found to be very useful in genetic, engineering are:

17. Who discovered Restricted endonucleas enzymes?

18. the ecor-1 enzyme is obtained from

19. Transgenic plants are develop by:

20. Gene was synthesized in vitro by